Research Article
Three-Dimensional Physical Simulation of Heavy Oil Exploitation by Hot Solvent Injection
Table 3
Results of 3-D physical simulation experiments.
| No. | Experiment | Solvent | Permeability (μm2) | Injection temperature (ºC) | Back pressure (MPa) | Recovery factor (%) | Cumulative oil exchange rate (t/t) | Solvent retention rate (%) |
| 1 | 1 | n-pentane | 12.87 | 200 | 2 | 64.76 | 3.1 | 10.0 | 2 | 2 | n-pentane | 12.87 | 160 | 1 | 60.38 | 4.8 | 6.5 | 3 | 3 | n-pentane | 12.89 | 150 | 2 | 54.79 | 1.6 | 14.5 | 4 | Parnian Haghighat | propane | 250 | 22 | 0.758 | 31 | / | / | 5 | propane | 250 | 50 | 0.758 | 60.86 | / | / | 6 | propane | 250 | 50 | 1.46 | 87.54 | / | / |
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